| Mammillaria Haw. (Genus) |
| | | | | | | | B | | details |
| Mammillaria haageana Pfeiff. (Species) |
| | | | | | | | B | sB | details |
| Mammillaria haageana Pfeiff. var. haageana (Pfeiff.) Krainz (Variety) |
| | | | | | | | B | | details |
| Mammillaria haageana Pfeiff. ssp. acultzingensis (T.Linzen et al.) D.R.Hunt (Subspecies) |
| | | | | | | | | | details |
| Mammillaria haageana Pfeiff. ssp. conspicua (J.A.Purpus) Hunt (Subspecies) |
| | | | | | | | | | details |
| Mammillaria haageana Pfeiff. ssp. elegans D.R.Hunt (Subspecies) |
| | | | | | | | B | | details |
| Mammillaria haageana Pfeiff. ssp. haageana (Subspecies) |
| | | | | | | | | | details |
| Mammillaria haageana Pfeiff. ssp. schmollii (R.T.Craig) D.R.Hunt (Subspecies) |
| | | | | | | | | sB | details |